Gyroscopic top.



M; L. HAWKS. GYROSGOPIO TOP.

APPLICATION FILED MAR.26, 1909.

929,669. Patented Aug. 3, 1909.

Wtneases. ven tar:

UNITED -ISTATES Moses HAWKS,

OF New YonK, N. Y.

; svnosoor'ro 'roP.

I Specification of Letters Patent. Application filed March 26, 1909. Serial No. 188,023.

Patented Ma 3, 1909.

To all whom it may concern:

Be it known that I, Mosns L. HAWKS, a citizen of the United States, residing at 335 Broadway, New York, N. Y., have invented certain new and useful Improvements in Gyroscopic Tops, of which the following is a specification.

My invention relates to gyroscopic tops in which two transverse rings secured to each other form a frame for the top; one of the rings carrying the axle and a pivot for the flywheel, and the objects of my improvement are; first, to provide a gyroscoplc top that is rigid, very sim 1e and cheap of con struction; and second? to rovide an improved means of spinning t e top.

I attain these ob e cts by the form and arrangement of parts hereinafter fully set forth, and illustrated in 'the accompanying drawings, in which Figure 1 'is a side elevation ofa gyroscopic top embodying" my improvement; Fig.2 is a plan view and three views of the main ring of the frame in broken section;

and Fi 3 is a side elevation of the fly wheel and mile, of my. design, removed from the frame.

Similar numerals refer to similar parts .throughout the several views.

The main ring shown inFig. 2 is preferably formed from a round rod which is flattened and perforated, as shown, at 2 and 3 while theends of gthe rod are brought together at 4 through which ends the hole 15 is drilled. Holes 13 and 15 are diamet rically opposite .each other, as are also the holes 14 IILfifltl'zGIlQd places 2, each of which is one-fourth of the ends from the holes 13 and 15. Through holes 14 and secured therein is the rin 12' which encircles the 40 fly wheel 11 in which axle 10 is secured, the upper end being provided with a spinning stem 9 while the-1 ower portion is drilled to take a pivot 7.

The spinning stem 9 loosely fits hole 13 15 and the shoulder 8 serves as an end bearing for axle 10, while the other end -of the axle is pivoted at 7 on a pivot stem 6 which is adjusted in said hole 15 and the ends of the rod forming the main ring arerigidly secured and the stem (5, extended to constitute a spinning point, is rigidly attached withsaid ends.

I claim 4 A gyroscopic top, comprising a metal frame consisting of two rings rigidly secured to each other at right angles, one of which is provided with a compressed fiattened portion at one side through which is a central perforation and at its opposite side with a short shaft or stem having interior and exterior projections in radial lines with said perforation, the interior end of said stem being provided with a pivot bearing; in combination with a rotary wheel havin a fixed shaft, one end, of which is provided with a pivot bearin adapted to connect with the inner end 0 said stem, the oppo- 'site' end of said wheel shaft projectin through said perforation in said ring; ail substantially as described and for the purpose specified.

MOSES L. HAXVKS.

Witnesses GEO. L. WALKER,

G. M. WALKER. 

